Debugging Sass with Source Maps
There’s a great tutorial below about connecting CSS to scss in Chrome Web Development tools, but this is the future.
Sass Source Maps are the natural next step in tying CSS to the written Sass, but rather then using the comments within the CSS generated by Ruby it uses a JSON formated map that explains the tree.
One of the super exciting features in Sass 3.3, currently in development, is the introduction of native Source Maps in Sass. Source Maps are a generic mapping format written in JSON that can be utilized by any processed file to create relations between pre-processed files and post-processed files
An excerpt from Debugging Sass with Source Maps